Outlook.com Alternatives

Outlook.com is described as 'Part of Office Online (not to be confused with Microsoft Outlook ), is a webmail service from Microsoft, successor of Hotmail' and is a very popular webmail provider in the office & productivity category. There are more than 50 alternatives to Outlook.com for a variety of platforms, including Web-based, Android, iPhone, iPad and Windows apps. The best Outlook.com alternative is Proton Mail, which is both free and Open Source. Other great apps like Outlook.com are Gmail, Tuta Mail, Disroot and Apple Mail.

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Outlook.com alternatives page was last updated Sep 9, 2025

Titan Email
Like
Titan is the first business email suite that helps you build deeper, more meaningful relationships with your customers.
Cost / License
Subscription
Proprietary
Origin
United States
Platforms
Online
+1
Is Titan Email a good alternative to Outlook.com?
Gmail Go
4 likes
The Gmail you love, now lighter and just as fast. Enjoy a smart inbox that keeps your messages safe and you organized. Receive notifications when mail arrives, then read and respond both online & offline. Plus, find messages quickly with powerful search and lots more.
Cost / License
Free
Proprietary
Application type
Email Client
Origin
United States
Platforms
Android
Is Gmail Go a good alternative to Outlook.com?
Migadu
4 likes
Consolidate all your email addresses and domains at a flat price. Take back your email liberty and give unlimited email addresses to all your projects, clients and family members.
Cost / License
Subscription
Proprietary
Application type
WebMail Provider
Origin
Germany
EU
Platforms
Online
Software as a Service (SaaS)
Is Migadu a good alternative to Outlook.com?
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Infomaniak kMail
Privacy-focused Swiss email system provides 20 GB free storage, supports custom domains and unlimited storage, syncs contacts and calendars, is ad-free, and is part of a secure productivity suite used by over a million users acro...

https://www.infomaniak.com
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Forward Email
6 likes
Forward Email is the best email service, encrypted email service, and fastest email service. It supports unlimited domains and aliases for no extra cost. It uses quantum safe ChaCha20-Poly1305 encryption and offers SMTP, IMAP, POP3, email webhooks, email regular expressions...
Cost / License
Freemium (Subscription)
Open Source
Application type
WebMail Provider
Origin
United States
Platforms
Self-Hosted
Online
Is Forward Email a good alternative to Outlook.com?
Forward Email is the most popular Self-Hosted alternative to Outlook.com.
Forward Email is Freemium and Open SourceOutlook.com is Freemium and Proprietary
Forward Email is Privacy focusedOutlook.com is not according to our users
Onion Mail
4 likes
The power of simplicity. Onion Mail can manage emails in the normal network and in the Tor. Onion Mail protect your privacy and anonymity.
31 Onion Mail alternatives
Cost / License
Freemium
Open Source
Application types
WebMail Provider
Email Client
Origin
Italy
EU
Platforms
Online
Android
Is Onion Mail a good alternative to Outlook.com?
Mailim
1 like
Mailim offers a fast and secure e-mail service. You can now create an e-mail address with Mailim; start sending and receiving emails on your new e-mail account.
Cost / License
Free
Proprietary
Application type
WebMail Provider
Origin
Türkiye
Platforms
Online
Android
iPhone
Android Tablet
HUAWEI AppGallery
iPad
+3
Is Mailim a good alternative to Outlook.com?
Topmail
2 likes
Private secure email. Ad free, spam free and encrypted. Topmail's email service is both secure and easy to use. It is available both on the desktop and via any mobile device.
Cost / License
Paid
Proprietary
Origin
United Kingdom
Platforms
Online
Android
iPhone
Android Tablet
iPad
Is Topmail a good alternative to Outlook.com?
Zero Email
4 likes
Zero is an open-source AI email solution that gives users the power to self-host their own email app while also integrating external services like Gmail and other email providers. Our goal is to modernize and improve emails through AI agents to truly modernize emails.
Cost / License
Free
Open Source
Application type
WebMail Provider
Origin
United States
Platforms
Online
Self-Hosted
Docker
Is Zero Email a good alternative to Outlook.com?
Inbox.lv
9 likes
Inbox.lv Mail.
Cost / License
Free Personal
Proprietary
Application type
WebMail Provider
Platforms
Online
Is Inbox.lv a good alternative to Outlook.com?
EGroupware
9 likes
Web-based team collaboration suite combining email client, calendar, contact and task tools, CRM, project and file management, file sharing, trouble tickets, Rocket.Chat chat, and Collabora online editing. Offers open source, self-hosted, and SaaS options.
Cost / License
Freemium (Subscription)
Open Source
Application types
Mail Server
Calendar App
Origin
Germany
EU
Platforms
Linux
Online
Self-Hosted
Software as a Service (SaaS)
+6
Is EGroupware a good alternative to Outlook.com?
Mailture
Like
Mailture, a secure, business-oriented email service, is made to cater to all your emailing needs. With top-notch collaboration and communication features, Mailture offers much more than your usual inbox.
Cost / License
Subscription
Proprietary
Application types
WebMail Provider
Email Client
Origin
United Kingdom
Alerts
Discontinued
Platforms
Software as a Service (SaaS)
Is Mailture a good alternative to Outlook.com?
NetEase Mail
1 like
NetEase Free Email - China's largest e-mail service provider, providing free e-mails suffixed with @163.com, @126.com, and @yeah.net. 16 years of experience in mailbox operation, the system is fast and stable, the spam intercept rate is over 98%, the mailbox capacity is...
Cost / License
Free
Proprietary
Application types
Email Client
Mail Server
Origin
United Kingdom
Platforms
Mac
Windows
Online
Android
iPhone
iPad
+7
Is NetEase Mail a good alternative to Outlook.com?